sudden fish deaths and algea dying
Hi in the past week i have had about 8 fish dye suddenly no signs of disease, and the algae from sides and bottom is coming off and floating tot he top, it is a well established pond anout 3 years, with air pump running, i ahve treated water for bacteria, and last week did bulk water change, just looked and the algae is starting to come off again.
has anyone else encountered this?
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